Documents for the Renewable Fuel Standard Code Update project.
- Low Emission Diesel (LED) Study: Biodiesel and Renewable Diesel Emissions in Legacy and New Technology Diesel Engines
- Research Summary: Prospects for Renewable, Low-carbon Fuels in Portland
- Report on Respirable Pollutants Emitted by Heavy Duty Diesel Engines Using Biodiesel and Renewable Diesel
- Economic State and Prospects of Renewable Diesel and Biodiesel in Greater Portland